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| Angoli di Eulero (Wikipedia) |
alfa = yaw (imbardata) in giallo
beta = roll (rollio) in rosso
gamma = pitch (beccheggio) in viola
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| Fonte Wikipedia |
il codice e' semplicemente autoesplicativo
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<!DOCTYPE html>
<html>
<head>
<title>Angoli</title>
<script type="text/javascript" charset="utf-8" src="cordova-2.3.0.js"></script>
<script type="text/javascript" charset="utf-8">
window.addEventListener('deviceorientation', function(event) {
var alpha = 360 - event.alpha;
var beta = event.beta;
var gamma = event.gamma;
// Display Euler angles
document.getElementById("alpha").innerHTML = "Alpha : " + alpha;
document.getElementById("beta").innerHTML = "Beta : " + beta;
document.getElementById("gamma").innerHTML = "Gamma : " + gamma;
}, false);
</script>
</head>
<body>
<p id="alpha">Alpha : </p><br>
<p id="beta" >Beta : </p><br>
<p id="gamma">Gamma : </p><br>
</body>
</html>
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